R. J. Alvarez vs. Hyun Jin Ryu — Career Comparison

Hyun Jin Ryu built a career as a starting pitcher and R. J. Alvarez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Hyun Jin Ryu posted stronger surface numbers — ERA 3.27 and WHIP 1.196 compared to 7.71 and 1.879 for R. J. Alvarez. By the career numbers, Hyun Jin Ryu had the better of this cross-role comparison — though era context would sharpen the verdict.